* NAIL HARDENER: Strengthens visibly fragile, stressed and weak nails in a few seconds by creating a patina on top of the nail * NO LAMP, QUICK ACTION: spread the strengthening agent on the nail and wait for it to dry. It will create a protective and shiny layer so as to make the nail more robust. Air dry in 1/2 min. * IMPROVES the structure of the nail making it stronger and more resistant after the first week. * RESULTS: Fast from the first week of constant use. * PROFESSIONAL: Used in Pics Nails Salons, 12 ml format for daily and constant use. Product description Hardening Nail Polish for Brittle Nails, Treatment for nails with a special formulation indicated for very weak, fragile or visibly stressed nails.